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Date: Fri, 31 Jul 2020 14:55:30 +0800 From: Zhu Lingshan <lingshan.zhu@...el.com> To: jasowang@...hat.com, alex.williamson@...hat.com, mst@...hat.com, pbonzini@...hat.com, sean.j.christopherson@...el.com, wanpengli@...cent.com Cc: virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, kvm@...r.kernel.org, eli@...lanox.com, shahafs@...lanox.com, parav@...lanox.com, Zhu Lingshan <lingshan.zhu@...el.com> Subject: [PATCH V5 3/6] vDPA: add get_vq_irq() in vdpa_config_ops This commit adds a new function get_vq_irq() in struct vdpa_config_ops, which will return the irq number of a virtqueue. Signed-off-by: Zhu Lingshan <lingshan.zhu@...el.com> Suggested-by: Jason Wang <jasowang@...hat.com> --- include/linux/vdpa.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 239db794357c..ba898486f2c7 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -87,6 +87,11 @@ struct vdpa_device { * @vdev: vdpa device * @idx: virtqueue index * Returns the notifcation area + * @get_vq_irq: Get the irq number of a virtqueue + * @vdev: vdpa device + * @idx: virtqueue index + * Returns int: irq number of a virtqueue, + * negative number if no irq assigned. * @get_vq_align: Get the virtqueue align requirement * for the device * @vdev: vdpa device @@ -178,6 +183,7 @@ struct vdpa_config_ops { u64 (*get_vq_state)(struct vdpa_device *vdev, u16 idx); struct vdpa_notification_area (*get_vq_notification)(struct vdpa_device *vdev, u16 idx); + int (*get_vq_irq)(struct vdpa_device *vdv, u16 idx); /* Device ops */ u32 (*get_vq_align)(struct vdpa_device *vdev); -- 2.18.4
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